Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438091 | Optical head | Takayuki Nagata, Akihiro Arai, Toru Nakamura | 2002-08-20 |
| 6406513 | Nickel powder and conductive paste | Yasuhide Yamaguchi | 2002-06-18 |
| 6391087 | Copper fine powder and method for preparing the same | Yoshinobu Nakamura, Hiroyuki Shimamura | 2002-05-21 |
| 6275463 | Optical head | Takayuki Nagata, Akihiro Arai, Toru Nakamura | 2001-08-14 |
| 6228141 | Nickel fine powder and method for preparing the same | Takayuki Araki, Yoshiharu Toshima, Yasuhide Yamaguchi | 2001-05-08 |
| 6185167 | Optical head and information recording and reproduction apparatus | Akihiro Arai, Tohru Nakamura, Takayuki Nagata | 2001-02-06 |
| 6174344 | Copper fine powder and method for preparing the same | Yoshinobu Nakamura, Hiroyuki Shimamura | 2001-01-16 |
| 6162277 | Nickel fine powder and method for preparing the same | Yoshiharu Toshima, Takayuki Araki, Hiroyuki Shimamura | 2000-12-19 |
| 6120576 | Method for preparing nickel fine powder | Yoshiharu Toshima, Takayuki Araki, Hiroyuki Shimamura | 2000-09-19 |
| 6096285 | Indium tin oxide fine powder and method for preparing the same | Kouichi Kawaratani, Hiroyuki Shimamura | 2000-08-01 |
| 5997775 | Electrically conductive barium sulfate-containing composition and process of producing | Norihiro Sato, Manabu Hosoi, Nobuyoshi Kasahara, Clemens Aderhold, Wolf-Dieter Griebler +3 more | 1999-12-07 |
| 5967014 | Work cutting apparatus | Nobuo Sahashi | 1999-10-19 |
| 5957828 | Silver sol, preparation thereof, coating material for forming transparent conductive film and transparent conductive film | — | 1999-09-28 |
| 5919518 | Electrically conductive barium sulfate filler and method for preparing same | Norihiro Sato, Nobuyoshi Kasahara, Katsuhiko Yoshimaru, Kouichi Kawaratani | 1999-07-06 |
| 5790504 | Integrated optical head with an emitting light splitting polarizing prism and a detecting light splitting polarizing element | Toru Nakamura, Akihiro Arai | 1998-08-04 |
| 5781351 | Mounting structure of objective lens for optical pick-up used for optical disk device | Yutaka Murakami, Tomotada Kamei | 1998-07-14 |
| 5772924 | Composite conductive powder and conductive film formed from the powder | Katsuhiko Yoshimaru | 1998-06-30 |
| 5744281 | Resist composition for forming a pattern and method of forming a pattern wherein the composition 4-phenylpyridine as an additive | Hirokazu Niki, Hiromitsu Wakabayashi, Rumiko Hayase, Naohiko Oyasato, Yasunobu Onishi +2 more | 1998-04-28 |
| 5698315 | Electrically-conductive colorless transparent barium sulfate filler | Norihiro Sato, Nobuyoshi Kasahara, Katsuhiko Yoshimaru, Kouichi Kawaratani | 1997-12-16 |
| 5658706 | Resist composition for forming a pattern comprising a pyridinium compound as an additive | Hirokazu Niki, Hiromitsu Wakabayashi, Rumiko Hayase, Naohiko Oyasato, Yasunobu Onishi +2 more | 1997-08-19 |
| 5629919 | Two plate-like beam splitting device | Toru Nakamura, Hideki Aiko, Akira Matsubara | 1997-05-13 |
| 5612087 | Method for preparing a fibrous electrically conductive filler | Nobuyoshi Kasahara, Norihiro Sato, Kouichi Kawaratani | 1997-03-18 |
| 5560871 | Method for preparing electrically-conductive zinc oxide | Katsuhiko Yoshimaru, Hideo Komiya, Nobuyoshi Kasahara | 1996-10-01 |
| 5501907 | Fibrous electrically conductive filler | Nobuyoshi Kasahara, Norihiro Sato, Kouichi Kawaratani | 1996-03-26 |
| 5467328 | Lens drive mechanism for optical disc player with parallel support springs having different spring constants | Yutaka Murakami, Toru Nakamura, Akira Matsubara, Hisashi Aizawa | 1995-11-14 |